SUMA is jointly implemented by its partners and experts. SUMA outputs usually have a partner as a major proponent and the rest of the partners are expected to provide technical or logistical contribution where applicable. The SUMA partners and experts are the following:

• Asian Development Bank (ADB)
• Clean Air Initiative for Asian Cities (CAI-Asia) Center
• CAI-Asia Local Networks
• German Agency for Technical Cooperation (GTZ) – Sustainable Urban Transport Project (SUTP)
• Institute for Transportation Development and Policy (ITDP)
• Interface for Cycling Expertise (I-CE)
• United Nations Center for Regional Development (UNCRD)
• World Resources Institute Center for Sustainable Transportation (WRI-EMBARQ)
• SUMA Experts Christopher Cherry, Jonathan Weinert, and Marie Thynell